25
Servicing Instructions - Replacing Parts
10. Magnetic Safety Valve
10.1 Turn the gas supply off at the isolation device.
10.2 Undo the thermocouple connection from the back of the gas
valve, see Diagram 18 (A).
10.3 Pull the sensor leads clear and remove the interrupter block,
see Diagram 18 (B).
10.4 Undo the magnetic valve-retaining nut from the back of the
control valve, see Diagram 18 (C).
10.5 Gently tap out the magnetic valve and replace with a new unit.
10.6 Replace the retaining nut and tighten.
C
B
A
18
10.7 Reassemble the interrupter block and leads and secure the
thermocouple connection in the rear of the gas control. (Do
not overtighten).
10.8 Turn the gas supply on and check the entire pipework and
valve joints for any leaks
11. Main Injector
11.1 To remove the main injector turn off the gas supply at the
isolation device.
11.2 Remove the main burner, see Section 5.
11.3 Undo the compression nuts from the feed pipe and the gas
valve under the appliance.
11.4 Working from inside the firebox remove the lock nut from the
injector, see Diagram 19.
19
11.5 Extract the injector with the feed pipe from beneath the
appliance.
11.6 Holding the injector with a spanner:
11.7 Undo the feed pipe. Note the orientation of the Injector.
11.8 Re-assemble in reverse order.
11.9 Turn on the gas supply and check for leaks.
12. Flue Sure System
12.1 Open the door and remove the ceramics, placing them
carefully to one side.
12.2 Undo the two screws in the back of the firebox and carefully
withdraw the bracket, see Diagram 20 and 21.
20
21
12.3 Disconnect the two sensor wires.
12.4 Undo the two retaining screws.
12.5 Remove the sensor and the two plastic spacers,
see Diagram 22.
22
Screws
Sensor
Spacers
Summary of Contents for 280
Page 28: ...E O E ...